Just twenty five questions stand between you and mathematical glory. Let's go!

1. Let's start with some easy multiplication. What's 4 ✕ 4?
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2. What about 7 ✕ 8?
4856 
3. What's 3 ✕ 81?
243263 
4. What's 12 ✕ 13?
148156 
5. What's 17 ✕ 5?
85105 
6. Now for some division. What's 49 ÷ 7?
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7. What about 68 ÷ 4?
1217 
8. What's 220 ÷ 4?
5560 
9. What's 306 ÷ 6?
5163 
10. What's 176 ÷ 11?
1618 
11. Addition time. What's 104 + 18?
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12. How about 234 + 56?
280290 
13. What's 89 + 75?
154164 
14. What's 1601 + 367?
19682068 
15. What's 1476 + 6294?
77707780 
16. Now for subtraction. What's 66 – 12?
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17. How about 101 – 36?
6574 
18. What's 78 – 39?
2939 
19. What's 63 – 27?
3646 
20. What's 7856 – 673?
71637183 
21. Just five more questions to go. What's √81?
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22. How about 3³?
2729 
23. What is 7⁴?
24012649 
24. What is 2¹⁰?
10242048 
25. What is 3 ✕ 4³?
48192
Kelly Oakes is science editor for BuzzFeed and is based in London.
Contact Kelly Oakes at kelly.oakes@buzzfeed.com.
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